Search found 11 matches

by mega128
Thu Jul 27, 2023 7:01 pm
Forum: Hardware
Topic: Connect small N20 geared 3v motor directly to ESP32-S3 GPIO
Replies: 3
Views: 1558

Re: Connect small N20 geared 3v motor directly to ESP32-S3 GPIO

Thanks for the suggestion!

So, can I connect BSS138N logic level mosfet directly to ESp32 GPIO and that should suffice?
No resistor between GPIO and BSS138N should be fine?

Thanks again,
Jay
by mega128
Wed Jul 26, 2023 10:20 pm
Forum: ESP32 Arduino
Topic: What should be nominal deep sleep current consumption with touch pin enabled
Replies: 1
Views: 953

What should be nominal deep sleep current consumption with touch pin enabled

Hi, I am using ESP32-S3-WROOM-1 module on a minimal custom circuit board with 3v direct connection to a lithium battery. With one touch pin enabled, the deep sleep measured is around 100uA. Is that normal? What else should I do minimize power consumption further? Basically, I want it to monitor touc...
by mega128
Wed Jul 26, 2023 10:13 pm
Forum: Hardware
Topic: Connect small N20 geared 3v motor directly to ESP32-S3 GPIO
Replies: 3
Views: 1558

Connect small N20 geared 3v motor directly to ESP32-S3 GPIO

HI all, A newbie question so please tolerate with me. I understand that a toy motor should not be directly connected to a GPIO. However, my project is 3v battery operated and mostly in deep sleep state and it runs motor for 2 seconds approx. once a day. I would like circuit to be as simple as possib...
by mega128
Thu Apr 11, 2019 3:10 pm
Forum: Hardware
Topic: ESP32-WROOM-32 hardware recommendation on milled board
Replies: 0
Views: 2535

ESP32-WROOM-32 hardware recommendation on milled board

Hi all, I am using a single layered milled PCB and I read somewhere that stray capacitance on a CNC milled board can be more that an etched board. My question is how do I measure the stray capacitance on my boards and what is a benchmark of production board I need to match with? should I use a 100nf...
by mega128
Fri Apr 05, 2019 1:08 pm
Forum: ESP32 Arduino
Topic: Avoid public Hotspot captive pages
Replies: 4
Views: 6155

Re: Avoid public Hotspot captive pages

That's what I was thinking, but wanted to double check with you guys.

Thanks again
by mega128
Fri Apr 05, 2019 11:35 am
Forum: ESP32 Arduino
Topic: Avoid public Hotspot captive pages
Replies: 4
Views: 6155

Re: Avoid public Hotspot captive pages

Thank you MikeMoy for suggestion. I understand that I cam mimic behavior of a bypassing on my company's captive page settings. However, when the products get to a customer, their company website's captive page will have different 'I agree' button variable name and html layout etc. Any other ideas? I...
by mega128
Thu Apr 04, 2019 6:17 pm
Forum: ESP32 Arduino
Topic: Avoid public Hotspot captive pages
Replies: 4
Views: 6155

Avoid public Hotspot captive pages

Hi, I am trying to make a gadget which I plan to sell. Customer may want to connect to office wifi and most office organizations have free visitor/public hotspot but have to sign in in a captive page with 'I Agree' button on it. Is there anything we can do about it? How can we make ESP32 bypass this...
by mega128
Wed Feb 27, 2019 11:15 am
Forum: ESP32 Arduino
Topic: parse http data from website
Replies: 4
Views: 9516

Re: parse http data from website

Any idea guys?

Thanks all.
by mega128
Thu Jan 24, 2019 7:33 pm
Forum: ESP32 Arduino
Topic: parse http data from website
Replies: 4
Views: 9516

parse http data from website

Hi, I am following an example from here: https://techtutorialsx.com/2017/05/19/esp32-http-get-requests/ and trying to parse temperature value from a website such as https://www.wunderground.com. I understand I should be using API for this project but I am looking to make it work using regular html p...
by mega128
Mon Nov 19, 2018 6:46 pm
Forum: General Discussion
Topic: ESP32 on Batteries - your setup
Replies: 50
Views: 101871

Re: ESP32 on Batteries - your setup

Hi Woofy, I was wondering if your project is still going strong after four months? Also, did you use a LDO regulator or directly connected 3xAA cells to ESP32? Any electrolytic cap you added after LDO if you used a regulator? Thanks Guys, seriously, does ESP32 on battery project(using wifi of course...